By Sam Forgione NEW YORK, Jan 24 (Reuters) - Investors in U.S.-based funds committed $3.66 billion to stock mutual funds in the latest week, showing continued support for stocks from retail investors this year, data from Thomson Reuters' Lipper service showed on Thursday. The latest inflows, for the week ended Jan. 23, mark the third consecutive week of big gains for stock mutual funds. They were largely unchanged from inflows of $3.75 billion the previous week, and amount to roughly ha